Image processing apparatus, image processing method, and program

Abstract

The image processing apparatus includes at least one processor. The processor acquires an optical image of an examinee; extract a plurality of feature points of a body of the examinee based on the optical image, generates a line segment determined based on any of the plurality of feature points as posture information, which is information indicating a posture of the examinee, generates a line segment corresponding to the line segment as the posture information as guide information, which is information for guiding a posture to be taken by the examinee, and displays the posture information and the guide information.

What is claimed is: 
     
         1 . An image processing apparatus comprising at least one processor,
 wherein the processor is configured to:
 acquire an optical image of an examinee; 
 extract a plurality of feature points of a body of the examinee based on the optical image; 
 generate a line segment determined based on any of the plurality of feature points as posture information, which is information indicating a posture of the examinee; 
 generate a line segment corresponding to the line segment as the posture information as guide information, which is information for guiding a posture to be taken by the examinee; and 
 display the posture information and the guide information. 
   
     
     
         2 . The image processing apparatus according to  claim 1 ,
 wherein the processor is configured to display the posture information and the guide information to be superimposed on the optical image.   
     
     
         3 . The image processing apparatus according to  claim 1 ,
 wherein the processor is configured to cause the posture information and the guide information to follow a posture change of the examinee.   
     
     
         4 . The image processing apparatus according to  claim 1 ,
 wherein the processor is configured to generate, as the guide information, a line segment having a feature point closest to a support portion that supports the body of the examinee as a starting point, among feature points present at both ends of the line segment as the posture information.   
     
     
         5 . The image processing apparatus according to  claim 1 ,
 wherein the processor is configured to set an orientation of the line segment as the guide information based on designation information for designating a posture to be taken by the examinee.   
     
     
         6 . The image processing apparatus according to  claim 5 ,
 wherein the processor is configured to acquire the designation information included in an imaging menu for a radiation image to be captured for the examinee.   
     
     
         7 . The image processing apparatus according to  claim 5 ,
 wherein the processor is configured to acquire the designation information input by an operation of an input unit or voice.   
     
     
         8 . The image processing apparatus according to  claim 1 ,
 wherein the processor is configured to:
 extract an ear of the examinee as a first feature point and extract an eye of the examinee as a second feature point based on the optical image; and 
 generate a line segment connecting the first feature point and the second feature point as the posture information. 
   
     
     
         9 . The image processing apparatus according to  claim 1 ,
 wherein the processor is configured to:
 extract a midpoint of left and right shoulder joints of the examinee as a third feature point and extract a midpoint of left and right greater trochanters of the examinee as a fourth feature point based on the optical image; and 
 generate a line segment connecting the third feature point and the fourth feature point as the posture information. 
   
     
     
         10 . The image processing apparatus according to  claim 1 ,
 wherein the processor is configured to:
 set an orientation of the line segment as the guide information based on designation information for designating a posture to be taken by the examinee; 
 acquire a series of radiation images continuously captured with guidance from the guide information for the examinee; and 
 associate the designation information with the series of radiation images. 
   
     
     
         11 . The image processing apparatus according to  claim 1 ,
 wherein the processor is configured to:
 set an orientation of each of line segments as each of a plurality of pieces of the guide information based on a plurality of pieces of designation information for designating postures to be taken by the examinee, respectively; 
 acquire a series of radiation images continuously captured with guidance from each of the plurality of pieces of guide information; and 
 perform, for each piece of the plurality of pieces of designation information, processing of associating one piece of the plurality of pieces of designation information with some radiation images out of the series of radiation images, the some radiation images being captured with guidance from the guide information generated based on the one piece of designation information. 
   
     
     
         12 . The image processing apparatus according to  claim 1 ,
 wherein the processor is configured to:
 specify an imaging direction of a radiation image to be captured for the examinee based on at least some of the plurality of feature points; and 
 issue an alert in a case in which the specified imaging direction is different from a designated direction. 
   
     
     
         13 . An image processing method executed by at least one processor included in an image processing apparatus, the image processing method comprising:
 acquiring an optical image of an examinee;   extracting a plurality of feature points of a body of the examinee based on the optical image;   generating a line segment determined based on any of the plurality of feature points as posture information, which is information indicating a posture of the examinee;   generating a line segment corresponding to the line segment as the posture information as guide information, which is information for guiding a posture to be taken by the examinee; and   displaying the posture information and the guide information.   
     
     
         14 . A non-transitory computer-readable storage medium storing a program for causing at least one processor included in an image processing apparatus to execute:
 acquiring an optical image of an examinee;   extracting a plurality of feature points of a body of the examinee based on the optical image;   generating a line segment determined based on any of the plurality of feature points as posture information, which is information indicating a posture of the examinee;   generating a line segment corresponding to the line segment as the posture information as guide information, which is information for guiding a posture to be taken by the examinee; and   displaying the posture information and the guide information.